Home / 156,916.90-235,301.42-57,006.64

Finding the Fourth Proportional to 156,916.90, 235,301.42 and 57,006.64

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Solution

The fourth proportional to 156,916.90, 235,301.42 and 57,006.64 is: 85,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.90 : 235,301.42 = 57,006.64 : x
  2. Step 2: Convert to fraction form
    156,916.90/235,301.42 = 57,006.64/x
  3. Step 3: Cross multiply
    156,916.90x = 235,301.42 × 57,006.64
  4. Step 4: Simplify right side
    156,916.90x = 13,413,743,341.43
  5. Step 5: Solve for x
    x = 13,413,743,341.43/156,916.90
  6. Step 6: Final answer
    x = 85,483.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.